1. In a slow cooker whisk together the sweetened condensed milk and whole milk. Stir in the rice.
2. Cook, covered, until the rice is tender and the mixture has slightly thickened, 2 to 3 hours on high.
3. Remove from heat and stir in the vanilla, cinnamon, nutmeg, and raisins.
Optional: add peaches, strawberries, or chocolate syrup. Enjoy!